ALEXANDRIA, Va., Oct. 27 -- United States Patent no. 12,773,947, issued on Oct. 27, was assigned to ENGAGE ENTERPRISES LLC (Beaverton, Ore.).
"Proximity detection and alert systems and methods" was invented by Matthew Crino (Beaverton, Ore.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods for generating alerts based on device proximity are disclosed. Presence of a second device is detected by a first device. The presence can be detected based on a signal received directly from the second device. A distance between the first device and the second device is determined. The distance can be based on a strength of the signal from the second device. An alert is generated based on comparing the de...